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The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade glibc | May 11, 2018 | Feb 24, 2015 |
| Centos_linux | — | Upgrade glibc-headersUpgrade nscdUpgrade glibc-utilsUpgrade glibc-debuginfoUpgrade glibc-commonUpgrade glibcUpgrade glibc-develUpgrade glibc-debuginfo-commonUpgrade glibc-static | Aug 28, 2019 | Feb 24, 2015 |
| Debian | — | Upgrade glibcUpgrade eglibc | Jul 30, 2024 | Feb 24, 2015 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Jul 23, 2015 |
| Gentoo Linux | — | Upgrade sys-libs/glibc. | Oct 30, 2017 | Feb 24, 2015 |
| Huawei Euleros 2_0_sp1 | — | Upgrade glibc-staticUpgrade glibcUpgrade nscdUpgrade glibc-headersUpgrade glibc-utilsUpgrade glibc-develUpgrade glibc-common | Nov 30, 2017 | Feb 24, 2015 |
| Huawei Euleros 2_0_sp2 | — | Upgrade glibc-headersUpgrade nscdUpgrade glibc-utilsUpgrade glibc-commonUpgrade glibc-develUpgrade glibc-staticUpgrade glibc | Nov 30, 2017 | Feb 24, 2015 |
| Oracle_linux | — | Upgrade glibc-staticUpgrade glibcUpgrade glibc-develUpgrade glibc-commonUpgrade nscdUpgrade glibc-headersUpgrade glibc-utils | Apr 19, 2018 | Feb 24, 2015 |
| Redhat_linux | — | Upgrade glibc-utilsUpgrade nscdUpgrade glibc-debuginfo-commonUpgrade glibcUpgrade glibc-debuginfoNo solution existsUpgrade glibc-staticUpgrade glibc-commonUpgrade glibc-develUpgrade glibc-headers | Apr 11, 2018 | Feb 24, 2015 |
| Suse | — | Upgrade glibc-locale-x86Upgrade glibc-utilsUpgrade glibc-locale-baseUpgrade pwdutils-plugin-auditUpgrade glibc-localeUpgrade glibcUpgrade glibc-i18ndataUpgrade libxcrypt-32bitUpgrade glibc-langUpgrade glibc-devel-32bitUpgrade glibc-develUpgrade pam-modules-32bitUpgrade glibc-devel-staticUpgrade glibc-htmlUpgrade glibc-infoUpgrade glibc-extraUpgrade glibc-profile-x86Upgrade glibc-x86Upgrade pwdutilsUpgrade glibc-32bitUpgrade libxcryptUpgrade glibc-locale-32bitUpgrade nscdUpgrade glibc-profileUpgrade glibc-locale-base-32bitUpgrade glibc-profile-32bitUpgrade pam-modules | Dec 18, 2015 | Feb 24, 2015 |
| Ubuntu | — | Upgrade libc6 | Nov 8, 2024 | Feb 24, 2015 |
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